典型锢囚锋过境时,依次出现的云系为()。A.Ci-Cc-As-Ns-Cb B.Ci-

题型:单项选择题

问题:

典型锢囚锋过境时,依次出现的云系为()。

A.Ci-Cc-As-Ns-Cb

B.Ci-Cs-As-Ns-Cb

C.Ns-As-Cs-Ci-Cb

D.As-Ns-Cs-Ci-Cb

考点:海船船员考试航海气象与海洋学航海气象与海洋学题库
题型:单项选择题

Obama gets Nobel for contributions to peace

US President Barack Obama won the Nobel Peace Prize 小题1:October 9 for his calls to reduce the world's nuclear weapons and work for world peace.

Since taking office in January as the   小题2: African American president, Obama has called for the cutting of nuclear weapons and worked to restart the Middle East peace process.

The prize,  worth $1.4 million, will 小题3:handed over to Obama in Norway on December 10. Obama will also get a gold medal and a diploma.

The Nobel Committee said it attached special importance to Obama's work for a world小题4:nuclear weapons.

" Only every rarely has a person to the same extent(程度)   小题5:Obama captured(引起) the world's attention and given its people hope for  小题6: better future," the Nobel Committee said.

People had guessed Obama might be the winner before the award,  小题7:many Nobel watchers believed it was   小题8:early to award the president.

题型:单项选择题

甲醛(化学式是CH2O)是室内空气污染的主要成分,它来源于室内装潢所用的油漆、胶合板、化纤地毯等材料。下列关于甲醛的说法中正确的是[ ]

A.甲醛分子是由一个碳原子和一个水分子构成的

B.甲醛中C、H、O的质量比是1:2:1

C.它属于氧化物

D.甲醛分子中C、H、O三种元素的原子个数比为1:2::1

题型:单项选择题

下述( )组合最有可能产生土洞。

A.下伏岩层为石灰岩,下伏岩层岩溶不发育,地下水升降频繁,土层不可能被冲蚀

B.下伏岩层为页岩,下伏岩层岩溶发育,地下水升降频繁,土层有可能被冲蚀

C.下伏岩层为石灰岩,下伏岩层岩溶发育,地下水升降频繁,土层有可能被冲蚀

D.下伏岩层为页岩,下伏岩层岩溶发育,地下水升降频繁,土层不可能被冲蚀

题型:单项选择题

组织内部在岗培训与开发的优点在于( )。

A.现实性
B.现实性和即时性C.即时性
D.实用性

题型:单项选择题

请写出全部七种浪费。

更多题库